Crime
18-Year-Old Tennessee Gunner Joseph Fisher Arrested in Alleged Plot to Carry Out Mass Shooting choosing Nashville mosque as target
He has since been indicted by a federal grand jury and is now asking to be released from custody.
Federal authorities have arrested 18-year-old Gunner Joseph Fisher of Big Rock, Tennessee, on charges related to an alleged plot to commit a mass shooting.
Fisher, who harbored extreme racist and violent ideologies, had reportedly been planning such an attack for years, according to an affidavit filed in federal court by FBI Special Agent Christopher R. Potts.
Fisher was apprehended in late December following a tip-off from Meta Platforms, the parent company of Instagram, which alerted authorities to alarming messages on his account.
The messages indicated Fisher was planning a mass shooting and had amassed a cache of weapons and ammunition.
Investigators found that Fisher had posted disturbing content online, expressing his hatred toward specific racial and religious groups, including Jews, African Americans, and Muslims.
He frequently referenced admiration for mass shooters and posted images of himself posing with firearms and tactical gear.
One of his posts read:
“My entire school is gonna be wiped off the face of this EARTH.”
He also discussed potential targets, including his own school and a local mosque in Nashville, inspired by Brenton Tarrant, the perpetrator of the 2019 Christchurch mosque shootings in New Zealand.
Fisherโs online activity included communications with an unidentified individual outside of Tennessee, where they exchanged messages about orchestrating mass shootings. In one exchange, Fisher allegedly stated:
“I’m gonna go on a spree this year probably. Iโve been planning for five years.”
He also inquired whether his associate would mention his attack in their manifesto.
On December 14, 2024, FBI agents conducted an interview with Fisher at his residence, during which he admitted to a long-standing fascination with mass shootings and an obsession with violent content.
A search of his electronic devices uncovered a chilling video where he declared his intent to target racial and religious minorities, using hate-filled rhetoric.
Additionally, investigators retrieved a manifesto dated November 29, in which Fisher detailed his plan to use firearms and explosives to cause mass casualties at his school.
Fisher has since been indicted by a federal grand jury on charges of communicating threats of mass violence, and federal prosecutors have requested he remain in custody without bond. In their request, prosecutors argued that โno set of conditions will assure the safety of the community.โ
The U.S. Magistrate Judge, Barbara D. Holmes, has continued a detention hearing to allow Fisher’s defense to present evidence regarding his mental health diagnosis and potential treatment options. The hearing is scheduled to resume on Tuesday morning.
While the case received minimal media coverage, it did capture the attention of Solomon Henderson, the 17-year-old student responsible for the recent deadly shooting at Antioch High School. Henderson, who shot two fellow students before taking his own life, referenced Fisher in his online diary, posting:
“N**a was in my area lol,”*
There is no evidence suggesting the two individuals knew each other personally, but authorities are investigating any potential links.
Federal authorities continue to examine Fisherโs online activity, including communications with individuals who may have influenced or encouraged his behavior. They are urging anyone with additional information to come forward.
Law enforcement and local officials have reassured the public that proactive measures are in place to prevent similar incidents. Schools in the region have increased security and counseling resources for students and families affected by recent events.
Anyone with information regarding the case is encouraged to contact the FBI Nashville Field Office or submit tips anonymously through the FBIโs tip line.
On January 28, 2026, at approximately 3:30 p.m., officers assigned to the Northern District responded to a reported shooting at the Northrop Grumman facility located in the 7300 block of Aviation Boulevard in Linthicum, Maryland.
Upon arrival, officers determined that the scene had already been secured by the Maryland Transportation Authority Police (MDTA), who had the suspected shooter in custody.
Preliminary findings indicate the incident stemmed from a dispute between two contracted security guards working inside the facility.
During the altercation, one of the guards discharged a firearm, striking the other.
The victim was identified as 37-year-old Joseph Keith Aman of Baltimore, Maryland. He sustained fatal injuries and was pronounced dead at the scene.
Authorities stated that a third contracted security guard intervened during the incident, successfully disarming the suspect and detaining him until law enforcement arrived.
Investigators confirmed the shooting was an isolated incident and did not involve any Northrop Grumman employees.
There was no ongoing threat to the public or the facility following the incident.
Anne Arundel County Police Department Homicide Unit detectives responded to the scene and assumed control of the investigation.
Detectives conducted multiple witness interviews, while Evidence Collection Unit technicians processed the scene and recovered the firearm believed to have been used in the shooting.
The suspect was identified as 26-year-old Dylan Blake Chandler of Pasadena, Maryland.
He has been formally charged with first-degree murder, second-degree murder, and additional related offenses.
Northrop Grumman issued a statement acknowledging the incident, saying:
โWe are aware of an isolated incident involving two contractors at one of our Baltimore-area facilities. We are cooperating fully with local law enforcement as they investigate the matter. The safety of our employees and contractors across all facilities remains our top priority.โ
The investigation remains active and ongoing.
Although an arrest has been made, detectives are continuing to gather information.
Anyone with knowledge related to the incident is urged to contact the Anne Arundel County Police Homicide Unit at 410-222-4731. Individuals wishing to remain anonymous may contact the countyโs tip line at 410-222-4700.
Further updates will be released as additional information becomes available.